Code of Federal Regulations Title 40. Protection of Environment § 40.280.42 Requirements for hazardous substance UST systems

(1) Contain regulated substances leaked from the primary containment until they are detected and removed;

(2) Prevent the release of regulated substances to the environment at any time during the operational life of the UST system;  and

(3) Be checked for evidence of a release at least every 30 days.

(1) Contain a leak from any portion of the inner tank within the outer wall;  and

(2) Detect the failure of the inner wall.

(1) Contain 100 percent of the capacity of the largest tank within its boundary;

(2) Prevent the interference of precipitation or groundwater intrusion with the ability to contain or detect a release of regulated substances;  and

(3) Surround the tank completely (i.e., it is capable of preventing lateral as well as vertical migration of regulated substances).

(1) Demonstrate to the implementing agency that an alternate method can detect a release of the stored substance as effectively as any of the methods allowed in § 280.43(b)§ 280.43(b) through (i) can detect a release of petroleum;

(2) Provide information to the implementing agency on effective corrective action technologies, health risks, and chemical and physical properties of the stored substance, and the characteristics of the UST site;  and,

(3) Obtain approval from the implementing agency to use the alternate release detection method before the installation and operation of the new UST system.